Patents by Inventor Alessandro Lombardi

Alessandro Lombardi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Oil additives and compositions
    Patent number: 5743923
    Abstract: The low temperature properties of a blend of biofuel and petroleum-based fuel oil are improved by the addition of an ethylene-unsaturated ester copolymer, or a comb polymer, or a polar N compound, or a compound having at least one linear alkyl groups connected to a non-polymeric organic residue.
    Type: Grant
    Filed: June 19, 1996
    Date of Patent: April 28, 1998
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Brian William Davies, Kenneth Lewtas, Alessandro Lombardi
  • Oil additives and compositions
    Patent number: 5733346
    Abstract: Oil-soluble polar nitrogen components are used in combination with fuel oil antifoams to control foaming in fuel oils.
    Type: Grant
    Filed: January 10, 1997
    Date of Patent: March 31, 1998
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Brian William Davies, Alessandro Lombardi, Rinaldo Caprotti
  • Manufacture of functionalized polymers
    Patent number: 5624999
    Abstract: A functionalised polymer, especially an ashless dispersant or a viscosity index improver dispersant, suitable for use as a lubricating or fuel oil additive, or as an intermediate for use in the manufacture of such an additive, is prepared from reactants in different phases by reacting the reactants in a reaction region defined by adjacent surfaces between which there is relative movement or in a thin film on a surface over which they move.
    Type: Grant
    Filed: May 12, 1995
    Date of Patent: April 29, 1997
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Alessandro Lombardi, Geraldo Barini, Carmine D'Antonio, Stefano Gusi